?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
cpu-exec: don't overwrite exception_index
[qemu/armbru.git] / target / sparc / cpu.c
blobc7adc281dee03e6cddc78ccc5544539bf3248c26
1 /*
2 * Sparc CPU init helpers
3 *
4 * Copyright (c) 2003-2005 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "qemu/osdep.h"
21 #include "qapi/error.h"
22 #include "cpu.h"
23 #include "qemu/error-report.h"
24 #include "exec/exec-all.h"
25 #include "hw/qdev-properties.h"
26 #include "qapi/visitor.h"
27
28 //#define DEBUG_FEATURES
29
30 /* CPUClass::reset() */
31 static void sparc_cpu_reset(CPUState *s)
32 {
33 SPARCCPU *cpu = SPARC_CPU(s);
34 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu);
35 CPUSPARCState *env = &cpu->env;
36
37 scc->parent_reset(s);
38
39 memset(env, 0, offsetof(CPUSPARCState, end_reset_fields));
40 env->cwp = 0;
41 #ifndef TARGET_SPARC64
42 env->wim = 1;
43 #endif
44 env->regwptr = env->regbase + (env->cwp * 16);
45 CC_OP = CC_OP_FLAGS;
46 #if defined(CONFIG_USER_ONLY)
47 #ifdef TARGET_SPARC64
48 env->cleanwin = env->nwindows - 2;
49 env->cansave = env->nwindows - 2;
50 env->pstate = PS_RMO | PS_PEF | PS_IE;
51 env->asi = 0x82; /* Primary no-fault */
52 #endif
53 #else
54 #if !defined(TARGET_SPARC64)
55 env->psret = 0;
56 env->psrs = 1;
57 env->psrps = 1;
58 #endif
59 #ifdef TARGET_SPARC64
60 env->pstate = PS_PRIV | PS_RED | PS_PEF;
61 if (!cpu_has_hypervisor(env)) {
62 env->pstate |= PS_AG;
63 }
64 env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
65 env->tl = env->maxtl;
66 env->gl = 2;
67 cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
68 env->lsu = 0;
69 #else
70 env->mmuregs[0] &= ~(MMU_E | MMU_NF);
71 env->mmuregs[0] |= env->def.mmu_bm;
72 #endif
73 env->pc = 0;
74 env->npc = env->pc + 4;
75 #endif
76 env->cache_control = 0;
77 }
78
79 static bool sparc_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
80 {
81 if (interrupt_request & CPU_INTERRUPT_HARD) {
82 SPARCCPU *cpu = SPARC_CPU(cs);
83 CPUSPARCState *env = &cpu->env;
84
85 if (cpu_interrupts_enabled(env) && env->interrupt_index > 0) {
86 int pil = env->interrupt_index & 0xf;
87 int type = env->interrupt_index & 0xf0;
88
89 if (type != TT_EXTINT || cpu_pil_allowed(env, pil)) {
90 cs->exception_index = env->interrupt_index;
91 sparc_cpu_do_interrupt(cs);
92 return true;
93 }
94 }
95 }
96 return false;
97 }
98
99 static void cpu_sparc_disas_set_info(CPUState *cpu, disassemble_info *info)
100 {
101 info->print_insn = print_insn_sparc;
102 #ifdef TARGET_SPARC64
103 info->mach = bfd_mach_sparc_v9b;
104 #endif
105 }
106
107 static void
108 cpu_add_feat_as_prop(const char *typename, const char *name, const char *val)
109 {
110 GlobalProperty *prop = g_new0(typeof(*prop), 1);
111 prop->driver = typename;
112 prop->property = g_strdup(name);
113 prop->value = g_strdup(val);
114 prop->errp = &error_fatal;
115 qdev_prop_register_global(prop);
116 }
117
118 /* Parse "+feature,-feature,feature=foo" CPU feature string */
119 static void sparc_cpu_parse_features(const char *typename, char *features,
120 Error **errp)
121 {
122 GList *l, *plus_features = NULL, *minus_features = NULL;
123 char *featurestr; /* Single 'key=value" string being parsed */
124 static bool cpu_globals_initialized;
125
126 if (cpu_globals_initialized) {
127 return;
128 }
129 cpu_globals_initialized = true;
130
131 if (!features) {
132 return;
133 }
134
135 for (featurestr = strtok(features, ",");
136 featurestr;
137 featurestr = strtok(NULL, ",")) {
138 const char *name;
139 const char *val = NULL;
140 char *eq = NULL;
141
142 /* Compatibility syntax: */
143 if (featurestr[0] == '+') {
144 plus_features = g_list_append(plus_features,
145 g_strdup(featurestr + 1));
146 continue;
147 } else if (featurestr[0] == '-') {
148 minus_features = g_list_append(minus_features,
149 g_strdup(featurestr + 1));
150 continue;
151 }
152
153 eq = strchr(featurestr, '=');
154 name = featurestr;
155 if (eq) {
156 *eq++ = 0;
157 val = eq;
158
159 /*
160 * Temporarily, only +feat/-feat will be supported
161 * for boolean properties until we remove the
162 * minus-overrides-plus semantics and just follow
163 * the order options appear on the command-line.
164 *
165 * TODO: warn if user is relying on minus-override-plus semantics
166 * TODO: remove minus-override-plus semantics after
167 * warning for a few releases
168 */
169 if (!strcasecmp(val, "on") ||
170 !strcasecmp(val, "off") ||
171 !strcasecmp(val, "true") ||
172 !strcasecmp(val, "false")) {
173 error_setg(errp, "Boolean properties in format %s=%s"
174 " are not supported", name, val);
175 return;
176 }
177 } else {
178 error_setg(errp, "Unsupported property format: %s", name);
179 return;
180 }
181 cpu_add_feat_as_prop(typename, name, val);
182 }
183
184 for (l = plus_features; l; l = l->next) {
185 const char *name = l->data;
186 cpu_add_feat_as_prop(typename, name, "on");
187 }
188 g_list_free_full(plus_features, g_free);
189
190 for (l = minus_features; l; l = l->next) {
191 const char *name = l->data;
192 cpu_add_feat_as_prop(typename, name, "off");
193 }
194 g_list_free_full(minus_features, g_free);
195 }
196
197 void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
198 {
199 #if !defined(TARGET_SPARC64)
200 env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
201 #endif
202 }
203
204 static const sparc_def_t sparc_defs[] = {
205 #ifdef TARGET_SPARC64
206 {
207 .name = "Fujitsu Sparc64",
208 .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
209 .fpu_version = 0x00000000,
210 .mmu_version = mmu_us_12,
211 .nwindows = 4,
212 .maxtl = 4,
213 .features = CPU_DEFAULT_FEATURES,
214 },
215 {
216 .name = "Fujitsu Sparc64 III",
217 .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
218 .fpu_version = 0x00000000,
219 .mmu_version = mmu_us_12,
220 .nwindows = 5,
221 .maxtl = 4,
222 .features = CPU_DEFAULT_FEATURES,
223 },
224 {
225 .name = "Fujitsu Sparc64 IV",
226 .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
227 .fpu_version = 0x00000000,
228 .mmu_version = mmu_us_12,
229 .nwindows = 8,
230 .maxtl = 5,
231 .features = CPU_DEFAULT_FEATURES,
232 },
233 {
234 .name = "Fujitsu Sparc64 V",
235 .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
236 .fpu_version = 0x00000000,
237 .mmu_version = mmu_us_12,
238 .nwindows = 8,
239 .maxtl = 5,
240 .features = CPU_DEFAULT_FEATURES,
241 },
242 {
243 .name = "TI UltraSparc I",
244 .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
245 .fpu_version = 0x00000000,
246 .mmu_version = mmu_us_12,
247 .nwindows = 8,
248 .maxtl = 5,
249 .features = CPU_DEFAULT_FEATURES,
250 },
251 {
252 .name = "TI UltraSparc II",
253 .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
254 .fpu_version = 0x00000000,
255 .mmu_version = mmu_us_12,
256 .nwindows = 8,
257 .maxtl = 5,
258 .features = CPU_DEFAULT_FEATURES,
259 },
260 {
261 .name = "TI UltraSparc IIi",
262 .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
263 .fpu_version = 0x00000000,
264 .mmu_version = mmu_us_12,
265 .nwindows = 8,
266 .maxtl = 5,
267 .features = CPU_DEFAULT_FEATURES,
268 },
269 {
270 .name = "TI UltraSparc IIe",
271 .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
272 .fpu_version = 0x00000000,
273 .mmu_version = mmu_us_12,
274 .nwindows = 8,
275 .maxtl = 5,
276 .features = CPU_DEFAULT_FEATURES,
277 },
278 {
279 .name = "Sun UltraSparc III",
280 .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
281 .fpu_version = 0x00000000,
282 .mmu_version = mmu_us_12,
283 .nwindows = 8,
284 .maxtl = 5,
285 .features = CPU_DEFAULT_FEATURES,
286 },
287 {
288 .name = "Sun UltraSparc III Cu",
289 .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
290 .fpu_version = 0x00000000,
291 .mmu_version = mmu_us_3,
292 .nwindows = 8,
293 .maxtl = 5,
294 .features = CPU_DEFAULT_FEATURES,
295 },
296 {
297 .name = "Sun UltraSparc IIIi",
298 .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
299 .fpu_version = 0x00000000,
300 .mmu_version = mmu_us_12,
301 .nwindows = 8,
302 .maxtl = 5,
303 .features = CPU_DEFAULT_FEATURES,
304 },
305 {
306 .name = "Sun UltraSparc IV",
307 .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
308 .fpu_version = 0x00000000,
309 .mmu_version = mmu_us_4,
310 .nwindows = 8,
311 .maxtl = 5,
312 .features = CPU_DEFAULT_FEATURES,
313 },
314 {
315 .name = "Sun UltraSparc IV+",
316 .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
317 .fpu_version = 0x00000000,
318 .mmu_version = mmu_us_12,
319 .nwindows = 8,
320 .maxtl = 5,
321 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
322 },
323 {
324 .name = "Sun UltraSparc IIIi+",
325 .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
326 .fpu_version = 0x00000000,
327 .mmu_version = mmu_us_3,
328 .nwindows = 8,
329 .maxtl = 5,
330 .features = CPU_DEFAULT_FEATURES,
331 },
332 {
333 .name = "Sun UltraSparc T1",
334 /* defined in sparc_ifu_fdp.v and ctu.h */
335 .iu_version = ((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
336 .fpu_version = 0x00000000,
337 .mmu_version = mmu_sun4v,
338 .nwindows = 8,
339 .maxtl = 6,
340 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
341 | CPU_FEATURE_GL,
342 },
343 {
344 .name = "Sun UltraSparc T2",
345 /* defined in tlu_asi_ctl.v and n2_revid_cust.v */
346 .iu_version = ((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
347 .fpu_version = 0x00000000,
348 .mmu_version = mmu_sun4v,
349 .nwindows = 8,
350 .maxtl = 6,
351 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
352 | CPU_FEATURE_GL,
353 },
354 {
355 .name = "NEC UltraSparc I",
356 .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
357 .fpu_version = 0x00000000,
358 .mmu_version = mmu_us_12,
359 .nwindows = 8,
360 .maxtl = 5,
361 .features = CPU_DEFAULT_FEATURES,
362 },
363 #else
364 {
365 .name = "Fujitsu MB86904",
366 .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
367 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
368 .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
369 .mmu_bm = 0x00004000,
370 .mmu_ctpr_mask = 0x00ffffc0,
371 .mmu_cxr_mask = 0x000000ff,
372 .mmu_sfsr_mask = 0x00016fff,
373 .mmu_trcr_mask = 0x00ffffff,
374 .nwindows = 8,
375 .features = CPU_DEFAULT_FEATURES,
376 },
377 {
378 .name = "Fujitsu MB86907",
379 .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
380 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
381 .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
382 .mmu_bm = 0x00004000,
383 .mmu_ctpr_mask = 0xffffffc0,
384 .mmu_cxr_mask = 0x000000ff,
385 .mmu_sfsr_mask = 0x00016fff,
386 .mmu_trcr_mask = 0xffffffff,
387 .nwindows = 8,
388 .features = CPU_DEFAULT_FEATURES,
389 },
390 {
391 .name = "TI MicroSparc I",
392 .iu_version = 0x41000000,
393 .fpu_version = 4 << 17,
394 .mmu_version = 0x41000000,
395 .mmu_bm = 0x00004000,
396 .mmu_ctpr_mask = 0x007ffff0,
397 .mmu_cxr_mask = 0x0000003f,
398 .mmu_sfsr_mask = 0x00016fff,
399 .mmu_trcr_mask = 0x0000003f,
400 .nwindows = 7,
401 .features = CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
402 CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
403 CPU_FEATURE_FMUL,
404 },
405 {
406 .name = "TI MicroSparc II",
407 .iu_version = 0x42000000,
408 .fpu_version = 4 << 17,
409 .mmu_version = 0x02000000,
410 .mmu_bm = 0x00004000,
411 .mmu_ctpr_mask = 0x00ffffc0,
412 .mmu_cxr_mask = 0x000000ff,
413 .mmu_sfsr_mask = 0x00016fff,
414 .mmu_trcr_mask = 0x00ffffff,
415 .nwindows = 8,
416 .features = CPU_DEFAULT_FEATURES,
417 },
418 {
419 .name = "TI MicroSparc IIep",
420 .iu_version = 0x42000000,
421 .fpu_version = 4 << 17,
422 .mmu_version = 0x04000000,
423 .mmu_bm = 0x00004000,
424 .mmu_ctpr_mask = 0x00ffffc0,
425 .mmu_cxr_mask = 0x000000ff,
426 .mmu_sfsr_mask = 0x00016bff,
427 .mmu_trcr_mask = 0x00ffffff,
428 .nwindows = 8,
429 .features = CPU_DEFAULT_FEATURES,
430 },
431 {
432 .name = "TI SuperSparc 40", /* STP1020NPGA */
433 .iu_version = 0x41000000, /* SuperSPARC 2.x */
434 .fpu_version = 0 << 17,
435 .mmu_version = 0x00000800, /* SuperSPARC 2.x, no MXCC */
436 .mmu_bm = 0x00002000,
437 .mmu_ctpr_mask = 0xffffffc0,
438 .mmu_cxr_mask = 0x0000ffff,
439 .mmu_sfsr_mask = 0xffffffff,
440 .mmu_trcr_mask = 0xffffffff,
441 .nwindows = 8,
442 .features = CPU_DEFAULT_FEATURES,
443 },
444 {
445 .name = "TI SuperSparc 50", /* STP1020PGA */
446 .iu_version = 0x40000000, /* SuperSPARC 3.x */
447 .fpu_version = 0 << 17,
448 .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
449 .mmu_bm = 0x00002000,
450 .mmu_ctpr_mask = 0xffffffc0,
451 .mmu_cxr_mask = 0x0000ffff,
452 .mmu_sfsr_mask = 0xffffffff,
453 .mmu_trcr_mask = 0xffffffff,
454 .nwindows = 8,
455 .features = CPU_DEFAULT_FEATURES,
456 },
457 {
458 .name = "TI SuperSparc 51",
459 .iu_version = 0x40000000, /* SuperSPARC 3.x */
460 .fpu_version = 0 << 17,
461 .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
462 .mmu_bm = 0x00002000,
463 .mmu_ctpr_mask = 0xffffffc0,
464 .mmu_cxr_mask = 0x0000ffff,
465 .mmu_sfsr_mask = 0xffffffff,
466 .mmu_trcr_mask = 0xffffffff,
467 .mxcc_version = 0x00000104,
468 .nwindows = 8,
469 .features = CPU_DEFAULT_FEATURES,
470 },
471 {
472 .name = "TI SuperSparc 60", /* STP1020APGA */
473 .iu_version = 0x40000000, /* SuperSPARC 3.x */
474 .fpu_version = 0 << 17,
475 .mmu_version = 0x01000800, /* SuperSPARC 3.x, no MXCC */
476 .mmu_bm = 0x00002000,
477 .mmu_ctpr_mask = 0xffffffc0,
478 .mmu_cxr_mask = 0x0000ffff,
479 .mmu_sfsr_mask = 0xffffffff,
480 .mmu_trcr_mask = 0xffffffff,
481 .nwindows = 8,
482 .features = CPU_DEFAULT_FEATURES,
483 },
484 {
485 .name = "TI SuperSparc 61",
486 .iu_version = 0x44000000, /* SuperSPARC 3.x */
487 .fpu_version = 0 << 17,
488 .mmu_version = 0x01000000, /* SuperSPARC 3.x, MXCC */
489 .mmu_bm = 0x00002000,
490 .mmu_ctpr_mask = 0xffffffc0,
491 .mmu_cxr_mask = 0x0000ffff,
492 .mmu_sfsr_mask = 0xffffffff,
493 .mmu_trcr_mask = 0xffffffff,
494 .mxcc_version = 0x00000104,
495 .nwindows = 8,
496 .features = CPU_DEFAULT_FEATURES,
497 },
498 {
499 .name = "TI SuperSparc II",
500 .iu_version = 0x40000000, /* SuperSPARC II 1.x */
501 .fpu_version = 0 << 17,
502 .mmu_version = 0x08000000, /* SuperSPARC II 1.x, MXCC */
503 .mmu_bm = 0x00002000,
504 .mmu_ctpr_mask = 0xffffffc0,
505 .mmu_cxr_mask = 0x0000ffff,
506 .mmu_sfsr_mask = 0xffffffff,
507 .mmu_trcr_mask = 0xffffffff,
508 .mxcc_version = 0x00000104,
509 .nwindows = 8,
510 .features = CPU_DEFAULT_FEATURES,
511 },
512 {
513 .name = "LEON2",
514 .iu_version = 0xf2000000,
515 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
516 .mmu_version = 0xf2000000,
517 .mmu_bm = 0x00004000,
518 .mmu_ctpr_mask = 0x007ffff0,
519 .mmu_cxr_mask = 0x0000003f,
520 .mmu_sfsr_mask = 0xffffffff,
521 .mmu_trcr_mask = 0xffffffff,
522 .nwindows = 8,
523 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
524 },
525 {
526 .name = "LEON3",
527 .iu_version = 0xf3000000,
528 .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
529 .mmu_version = 0xf3000000,
530 .mmu_bm = 0x00000000,
531 .mmu_ctpr_mask = 0xfffffffc,
532 .mmu_cxr_mask = 0x000000ff,
533 .mmu_sfsr_mask = 0xffffffff,
534 .mmu_trcr_mask = 0xffffffff,
535 .nwindows = 8,
536 .features = CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
537 CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN |
538 CPU_FEATURE_CASA,
539 },
540 #endif
541 };
542
543 static const char * const feature_name[] = {
544 "float",
545 "float128",
546 "swap",
547 "mul",
548 "div",
549 "flush",
550 "fsqrt",
551 "fmul",
552 "vis1",
553 "vis2",
554 "fsmuld",
555 "hypv",
556 "cmt",
557 "gl",
558 };
559
560 static void print_features(FILE *f, fprintf_function cpu_fprintf,
561 uint32_t features, const char *prefix)
562 {
563 unsigned int i;
564
565 for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
566 if (feature_name[i] && (features & (1 << i))) {
567 if (prefix) {
568 (*cpu_fprintf)(f, "%s", prefix);
569 }
570 (*cpu_fprintf)(f, "%s ", feature_name[i]);
571 }
572 }
573 }
574
575 void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
576 {
577 unsigned int i;
578
579 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
580 (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx
581 " FPU %08x MMU %08x NWINS %d ",
582 sparc_defs[i].name,
583 sparc_defs[i].iu_version,
584 sparc_defs[i].fpu_version,
585 sparc_defs[i].mmu_version,
586 sparc_defs[i].nwindows);
587 print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
588 ~sparc_defs[i].features, "-");
589 print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
590 sparc_defs[i].features, "+");
591 (*cpu_fprintf)(f, "\n");
592 }
593 (*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
594 print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
595 (*cpu_fprintf)(f, "\n");
596 (*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
597 print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
598 (*cpu_fprintf)(f, "\n");
599 (*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
600 "fpu_version mmu_version nwindows\n");
601 }
602
603 static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
604 uint32_t cc)
605 {
606 cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-',
607 cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-',
608 cc & PSR_CARRY ? 'C' : '-');
609 }
610
611 #ifdef TARGET_SPARC64
612 #define REGS_PER_LINE 4
613 #else
614 #define REGS_PER_LINE 8
615 #endif
616
617 void sparc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
618 int flags)
619 {
620 SPARCCPU *cpu = SPARC_CPU(cs);
621 CPUSPARCState *env = &cpu->env;
622 int i, x;
623
624 cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc,
625 env->npc);
626
627 for (i = 0; i < 8; i++) {
628 if (i % REGS_PER_LINE == 0) {
629 cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
630 }
631 cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
632 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
633 cpu_fprintf(f, "\n");
634 }
635 }
636 for (x = 0; x < 3; x++) {
637 for (i = 0; i < 8; i++) {
638 if (i % REGS_PER_LINE == 0) {
639 cpu_fprintf(f, "%%%c%d-%d: ",
640 x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
641 i, i + REGS_PER_LINE - 1);
642 }
643 cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
644 if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
645 cpu_fprintf(f, "\n");
646 }
647 }
648 }
649
650 for (i = 0; i < TARGET_DPREGS; i++) {
651 if ((i & 3) == 0) {
652 cpu_fprintf(f, "%%f%02d: ", i * 2);
653 }
654 cpu_fprintf(f, " %016" PRIx64, env->fpr[i].ll);
655 if ((i & 3) == 3) {
656 cpu_fprintf(f, "\n");
657 }
658 }
659 #ifdef TARGET_SPARC64
660 cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
661 (unsigned)cpu_get_ccr(env));
662 cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
663 cpu_fprintf(f, " xcc: ");
664 cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
665 cpu_fprintf(f, ") asi: %02x tl: %d pil: %x gl: %d\n", env->asi, env->tl,
666 env->psrpil, env->gl);
667 cpu_fprintf(f, "tbr: " TARGET_FMT_lx " hpstate: " TARGET_FMT_lx " htba: "
668 TARGET_FMT_lx "\n", env->tbr, env->hpstate, env->htba);
669 cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
670 "cleanwin: %d cwp: %d\n",
671 env->cansave, env->canrestore, env->otherwin, env->wstate,
672 env->cleanwin, env->nwindows - 1 - env->cwp);
673 cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
674 TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
675
676 #else
677 cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
678 cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
679 cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-',
680 env->psrps ? 'P' : '-', env->psret ? 'E' : '-',
681 env->wim);
682 cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
683 env->fsr, env->y);
684 #endif
685 cpu_fprintf(f, "\n");
686 }
687
688 static void sparc_cpu_set_pc(CPUState *cs, vaddr value)
689 {
690 SPARCCPU *cpu = SPARC_CPU(cs);
691
692 cpu->env.pc = value;
693 cpu->env.npc = value + 4;
694 }
695
696 static void sparc_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
697 {
698 SPARCCPU *cpu = SPARC_CPU(cs);
699
700 cpu->env.pc = tb->pc;
701 cpu->env.npc = tb->cs_base;
702 }
703
704 static bool sparc_cpu_has_work(CPUState *cs)
705 {
706 SPARCCPU *cpu = SPARC_CPU(cs);
707 CPUSPARCState *env = &cpu->env;
708
709 return (cs->interrupt_request & CPU_INTERRUPT_HARD) &&
710 cpu_interrupts_enabled(env);
711 }
712
713 static char *sparc_cpu_type_name(const char *cpu_model)
714 {
715 char *name = g_strdup_printf(SPARC_CPU_TYPE_NAME("%s"), cpu_model);
716 char *s = name;
717
718 /* SPARC cpu model names happen to have whitespaces,
719 * as type names shouldn't have spaces replace them with '-'
720 */
721 while ((s = strchr(s, ' '))) {
722 *s = '-';
723 }
724
725 return name;
726 }
727
728 static ObjectClass *sparc_cpu_class_by_name(const char *cpu_model)
729 {
730 ObjectClass *oc;
731 char *typename;
732
733 typename = sparc_cpu_type_name(cpu_model);
734 oc = object_class_by_name(typename);
735 g_free(typename);
736 return oc;
737 }
738
739 static void sparc_cpu_realizefn(DeviceState *dev, Error **errp)
740 {
741 CPUState *cs = CPU(dev);
742 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(dev);
743 Error *local_err = NULL;
744 SPARCCPU *cpu = SPARC_CPU(dev);
745 CPUSPARCState *env = &cpu->env;
746
747 #if defined(CONFIG_USER_ONLY)
748 if ((env->def.features & CPU_FEATURE_FLOAT)) {
749 env->def.features |= CPU_FEATURE_FLOAT128;
750 }
751 #endif
752
753 env->version = env->def.iu_version;
754 env->fsr = env->def.fpu_version;
755 env->nwindows = env->def.nwindows;
756 #if !defined(TARGET_SPARC64)
757 env->mmuregs[0] |= env->def.mmu_version;
758 cpu_sparc_set_id(env, 0);
759 env->mxccregs[7] |= env->def.mxcc_version;
760 #else
761 env->mmu_version = env->def.mmu_version;
762 env->maxtl = env->def.maxtl;
763 env->version |= env->def.maxtl << 8;
764 env->version |= env->def.nwindows - 1;
765 #endif
766
767 cpu_exec_realizefn(cs, &local_err);
768 if (local_err != NULL) {
769 error_propagate(errp, local_err);
770 return;
771 }
772
773 qemu_init_vcpu(cs);
774
775 scc->parent_realize(dev, errp);
776 }
777
778 static void sparc_cpu_initfn(Object *obj)
779 {
780 CPUState *cs = CPU(obj);
781 SPARCCPU *cpu = SPARC_CPU(obj);
782 SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(obj);
783 CPUSPARCState *env = &cpu->env;
784
785 cs->env_ptr = env;
786
787 if (scc->cpu_def) {
788 env->def = *scc->cpu_def;
789 }
790 }
791
792 static void sparc_get_nwindows(Object *obj, Visitor *v, const char *name,
793 void *opaque, Error **errp)
794 {
795 SPARCCPU *cpu = SPARC_CPU(obj);
796 int64_t value = cpu->env.def.nwindows;
797
798 visit_type_int(v, name, &value, errp);
799 }
800
801 static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name,
802 void *opaque, Error **errp)
803 {
804 const int64_t min = MIN_NWINDOWS;
805 const int64_t max = MAX_NWINDOWS;
806 SPARCCPU *cpu = SPARC_CPU(obj);
807 Error *err = NULL;
808 int64_t value;
809
810 visit_type_int(v, name, &value, &err);
811 if (err) {
812 error_propagate(errp, err);
813 return;
814 }
815
816 if (value < min || value > max) {
817 error_setg(errp, "Property %s.%s doesn't take value %" PRId64
818 " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
819 object_get_typename(obj), name ? name : "null",
820 value, min, max);
821 return;
822 }
823 cpu->env.def.nwindows = value;
824 }
825
826 static PropertyInfo qdev_prop_nwindows = {
827 .name = "int",
828 .get = sparc_get_nwindows,
829 .set = sparc_set_nwindows,
830 };
831
832 static Property sparc_cpu_properties[] = {
833 DEFINE_PROP_BIT("float", SPARCCPU, env.def.features, 0, false),
834 DEFINE_PROP_BIT("float128", SPARCCPU, env.def.features, 1, false),
835 DEFINE_PROP_BIT("swap", SPARCCPU, env.def.features, 2, false),
836 DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features, 3, false),
837 DEFINE_PROP_BIT("div", SPARCCPU, env.def.features, 4, false),
838 DEFINE_PROP_BIT("flush", SPARCCPU, env.def.features, 5, false),
839 DEFINE_PROP_BIT("fsqrt", SPARCCPU, env.def.features, 6, false),
840 DEFINE_PROP_BIT("fmul", SPARCCPU, env.def.features, 7, false),
841 DEFINE_PROP_BIT("vis1", SPARCCPU, env.def.features, 8, false),
842 DEFINE_PROP_BIT("vis2", SPARCCPU, env.def.features, 9, false),
843 DEFINE_PROP_BIT("fsmuld", SPARCCPU, env.def.features, 10, false),
844 DEFINE_PROP_BIT("hypv", SPARCCPU, env.def.features, 11, false),
845 DEFINE_PROP_BIT("cmt", SPARCCPU, env.def.features, 12, false),
846 DEFINE_PROP_BIT("gl", SPARCCPU, env.def.features, 13, false),
847 DEFINE_PROP_UNSIGNED("iu-version", SPARCCPU, env.def.iu_version, 0,
848 qdev_prop_uint64, target_ulong),
849 DEFINE_PROP_UINT32("fpu-version", SPARCCPU, env.def.fpu_version, 0),
850 DEFINE_PROP_UINT32("mmu-version", SPARCCPU, env.def.mmu_version, 0),
851 { .name = "nwindows", .info = &qdev_prop_nwindows },
852 DEFINE_PROP_END_OF_LIST()
853 };
854
855 static void sparc_cpu_class_init(ObjectClass *oc, void *data)
856 {
857 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc);
858 CPUClass *cc = CPU_CLASS(oc);
859 DeviceClass *dc = DEVICE_CLASS(oc);
860
861 scc->parent_realize = dc->realize;
862 dc->realize = sparc_cpu_realizefn;
863 dc->props = sparc_cpu_properties;
864
865 scc->parent_reset = cc->reset;
866 cc->reset = sparc_cpu_reset;
867
868 cc->class_by_name = sparc_cpu_class_by_name;
869 cc->parse_features = sparc_cpu_parse_features;
870 cc->has_work = sparc_cpu_has_work;
871 cc->do_interrupt = sparc_cpu_do_interrupt;
872 cc->cpu_exec_interrupt = sparc_cpu_exec_interrupt;
873 cc->dump_state = sparc_cpu_dump_state;
874 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
875 cc->memory_rw_debug = sparc_cpu_memory_rw_debug;
876 #endif
877 cc->set_pc = sparc_cpu_set_pc;
878 cc->synchronize_from_tb = sparc_cpu_synchronize_from_tb;
879 cc->gdb_read_register = sparc_cpu_gdb_read_register;
880 cc->gdb_write_register = sparc_cpu_gdb_write_register;
881 #ifdef CONFIG_USER_ONLY
882 cc->handle_mmu_fault = sparc_cpu_handle_mmu_fault;
883 #else
884 cc->do_unassigned_access = sparc_cpu_unassigned_access;
885 cc->do_unaligned_access = sparc_cpu_do_unaligned_access;
886 cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug;
887 cc->vmsd = &vmstate_sparc_cpu;
888 #endif
889 cc->disas_set_info = cpu_sparc_disas_set_info;
890 cc->tcg_initialize = sparc_tcg_init;
891
892 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
893 cc->gdb_num_core_regs = 86;
894 #else
895 cc->gdb_num_core_regs = 72;
896 #endif
897 }
898
899 static const TypeInfo sparc_cpu_type_info = {
900 .name = TYPE_SPARC_CPU,
901 .parent = TYPE_CPU,
902 .instance_size = sizeof(SPARCCPU),
903 .instance_init = sparc_cpu_initfn,
904 .abstract = true,
905 .class_size = sizeof(SPARCCPUClass),
906 .class_init = sparc_cpu_class_init,
907 };
908
909 static void sparc_cpu_cpudef_class_init(ObjectClass *oc, void *data)
910 {
911 SPARCCPUClass *scc = SPARC_CPU_CLASS(oc);
912 scc->cpu_def = data;
913 }
914
915 static void sparc_register_cpudef_type(const struct sparc_def_t *def)
916 {
917 char *typename = sparc_cpu_type_name(def->name);
918 TypeInfo ti = {
919 .name = typename,
920 .parent = TYPE_SPARC_CPU,
921 .class_init = sparc_cpu_cpudef_class_init,
922 .class_data = (void *)def,
923 };
924
925 type_register(&ti);
926 g_free(typename);
927 }
928
929 static void sparc_cpu_register_types(void)
930 {
931 int i;
932
933 type_register_static(&sparc_cpu_type_info);
934 for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
935 sparc_register_cpudef_type(&sparc_defs[i]);
936 }
937 }
938
939 type_init(sparc_cpu_register_types)
armbru's QEMU hackery